X=int(input())

kyu= 10 - X//200

print(kyu) X=int(input()) X int(input()) int input() input kyu= 10 - X//200 kyu 10 - X//200 10 X//200 X 200 print(kyu) print kyu kyu= 10 - X//200 10 - X//200 kyu X=int(input()) int(input()) X
X=int(input())

kyu= 10 - X//200

print(kyu)